Smithsonian Magazine on MSN23h
Two of the Moon’s Grand Canyons Were Formed in Just Ten Violent Minutes, New Study SuggestsScientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...
The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...
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